ATTO Oxa12 NHS ester

Product Introduction

ATTO Oxa12 NHS ester is a red-emitting dye and a lipophilic variety of ATTO 655. Characteristic features of the label are strong absorption, good fluorescence quantum yield, very little triplet formation, excellent thermal and photo-stability, and outstanding ozone resistance. ATTO Oxa12 NHS ester is a cationic dye (charge +1). Absorption and fluorescence are pH independent in the range pH 2 to 11, used in typical applications. ATTO Oxa12 NHS ester shows excellent solubility in organic solvents like DMF, DMSO or acetonitrile.

Chemical Information
NACRES	NA.32

Product Specification
Application	ATTO Oxa12 NHS ester is used to label molecules via conjugation to primary amine groups. The dye is designed for application in the area of life science, e.g. labeling of DNA, RNA or proteins.